force app to send sms only from one sim card

[k26pl]

Checklist

• [X] I made sure that there are no existing issues - open or closed - to which I could contribute my information.
• [X] I made sure that there are no existing discussions - open or closed - to which I could contribute my information.
• [X] I have read the FAQs inside the app (Menu -> About -> FAQs) and my problem isn't listed.
• [X] I have taken the time to fill in all the required details. I understand that the bug report will be dismissed otherwise.
• [X] This issue contains only one feature request.
• [X] I have read and understood the contribution guidelines.
• [ ] I optionally donated to support the Fossify mission.

Feature description

an option to force app to use only one sim cards

Why do you want this feature?

app sometimes changes to 2nd sim card (as a result of missclicking or some bug) which results in recipent's confussion and high charges. I use that sim card only for data and i would like to disable sending sms from it.

Additional information

No response